Science: Insulation

insulation

Insulation
insulation

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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
I H N B C R D E B
O N U T A E H N M
S G S G G F O E Q
I K T U D S T R N
D L O C L N G G E
I J V U K A F Y R
D O E E I R T A I
T E U N V T B O F
J N K Y F Z A Y R
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